Does anybody ever heared of this calibrated form? And how can I derive them? enter image description here

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  • $\begingroup$ Hi! Do you know what "elasticity" means here? (Trying to understand where you have problems.) $\endgroup$
    – Giskard
    Mar 13 at 6:09
  • $\begingroup$ Yes I know about elasticity. Just dont know how to to the algebra do you have any literature where I can find that? $\endgroup$ Mar 13 at 11:30


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